Sinopec L-QB280 ISO VG 280 mineral oil-based heat transfer fluid 200 L
Packaging specifications:170 kg
Order Hotline:+86 18624936708
Suitable for open or closed heat transfer systems with forced or non-forced circulation.
Sinopec Mineral Oil-Based Heat Transfer Fluid
Overview:
Sinopec mineral oil-based heat transfer fluids are made from refined narrow-fraction mineral base oils with the addition of multifunctional additives. They are available in grades L-QB280, L-QB300, and L-Q C310, depending on the operating temperature. They are suitable for open or closed heat transfer systems with forced or non-forced circulation, with maximum temperatures not exceeding 280°C, 300°C, and 310°C, respectively.
Performance Features:
◎ Narrow distillation range, high initial distillation point
◎ Excellent high-temperature oxidation stability and long service life
◎ Excellent high-temperature thermal stability
◎ High specific heat capacity and good thermal conductivity
◎ Excellent low-temperature fluidity
◎ Good compatibility with system materials and no corrosion to equipment.
Technical Specifications:
This product complies with the following specifications:
◎ DIN 51522 ◎ GB 23971
Applications:
◎ Suitable for open or closed heat transfer systems with forced or non-forced circulation, and can be used in heating and drying processes in industries such as wood processing, textile dyeing and finishing, food processing, chemical processing, and solar energy.
Typical Data:
Item | Sinopec Mineral Oil-Based Heat Transfer Fluid | ||
| ISO viscosity grade | L-QB280 | L-QB300 | L-QC310 |
Kinematic viscosity (at 40℃), mm² /s | 29.92 | 32.00 | 27.06 |
| Kinematic viscosity (at 100℃), mm² /s | 4.928 | 5.000 | 4.685 |
| Kinematic viscosity (at 0℃), mm² /s | 346 | 319 | 289 |
Thermal stability (720 hours) Appearance Percentage of deterioration | (280℃) Yellow and transparent 2.1 | (300℃) Yellow and transparent 5.4 | (310℃) Yellow and transparent 8.2 |
Thermal oxidation stability (175℃, 72 hours) Viscosity increase (% at 40℃) Acid value increase (mgKOH/g) Sludge (mg/100g) | 12.64 0.25 3.2 | 13 0.3 4 | --- --- --- |
| Flash point, °C | 320 | 327 | 335 |
| Pour point, °C | -13 | -14 | -21 |
Distillation range, initial boiling point, °C 2%, °C | 320 345 | 332 351 | 328 357 |
| carbon residue,% | 0.01 | 0.01 | 0.00 |
| Sulfur content (mass fraction), % | 0.02 | 0.02 | 0.001 |
| Acid value, mgKOH/kg | 0.03 | 0.03 | 0.03 |






